Author: Andrew Cumming <keeper(at)sqlzoo(dot)net>
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Readers who would like to try out PostgreSQL may do so from
http://sqlzoo.net - this site allows you to execute SQL statements
against tables that have already been created and populated.
Also it is possible to compare Postgres against other popular SQL
implementations (SQL Server, Oracle, DB2, ...)
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Manual page: http://wwwmaster.postgresql.org/docs/7.4/interactive/tutorial-sql.html
Reject: http://wwwmaster.postgresql.org/admin/comments.php?action=reject&id=1981
Edit: http://wwwmaster.postgresql.org/admin/comment-edit.php?id=1981
Delete: http://wwwmaster.postgresql.org/admin/comments.php?action=delete&id=1981